ANSWER: Rats! These pests rely on their senses of taste, touch, smell and sound to find food sources. Rats will eat almost anything including meat, cereal, fruits and vegetables. The United States has two main types of rats: the Norway rat and the roof rat.

ANSWER: The underground termite causes $1.5 billion of damages every year. This termite can be found in over 600,000 homes in the United States every year. Dining on wood, books, wallpaper, fabric and paper, these pests are dinner guests that just don't know when to leave.

ANSWER: Yes, besides ruining human food, some species of ants can damage wood in and around homes. These carpenter ants like to make their nests in porches, roofs, windowsills and telephone poles.

ANSWER: A special type of bee can dig tunnels in wood to make its home. The carpenter bee prefers wood that is at least two inches thick and relatively soft. Carpenter bee tunnels are perfectly round and usually have piles of wood dust underneath them.

ANSWER: Mosquitoes get West Nile Virus from birds that have the infection. The reason that mosquitoes get most of the attention is that they are responsible for spreading the virus to people. There is no history of sick birds spreading the virus to humans.

ANSWER: As flies do not have teeth or a stinger, they cannot bite people. They do have needle-like hooks that they can push into victims. This sometimes feels like a sting or a bite but no teeth or stingers are involved. These hooks help them to make food easier to eat but can also spread diseases. Flies have been known to spread tuberculosis, typhoid fever and diarrhea.

ANSWER: Ticks spread Lyme Disease and often the first sign is a bull's eye rash around the bite. Other clues include fever, chills, headache and extreme tiredness.

ANSWER: The fire ant poses a significant health threat to humans because of its sting and is deadly to small animals, birds and reptiles. These shocking pests are sensitive to motion and will sting when they feel threatened. These ants will climb up people's legs and although it appears that they all sting at once, they really sting one by one.

ANSWER: No, surprisingly enough, you can get a pest-related sickness without ever coming into direct contact with a pest! Cockroach allergens, which consist of droppings, shed skins and secretions, have been shown to trigger asthma attacks in children.

ANSWER: Fleas were responsible for spreading the "Black Death" in the 14th century. This dangerous disease killed one-quarter of Europe's population. Although, fleas shouldn't take all the blame -— they caught it from rats!